[Xen-devel] Re: [PATCH 2/3] fbdev: Make deferred I/O work as advertized

[Markus Armbruster <armbru@xxxxxxxxxx>]

"Jaya Kumar" <jayakumar.lkml@xxxxxxxxx> writes:

> On Tue, Feb 26, 2008 at 9:45 AM, Markus Armbruster <armbru@xxxxxxxxxx> wrote:
>>
>>  What about pushing the fb_defio fixes independently of any new
>>  fb_defio users?  If fb_defio was worth merging into Linus's tree, it
>>  should be worth fixing there, whether new users are in shape already
>>  or not.
>
> I think that Andrew's message is saying that there may be a race
> condition in the defio patch itself as opposed to the defio user
> patch.
>
> If there is no race condition or other problems, then I think it would
> make sense to merge the defio patch independent of metronomefb or
> other new patches that use defio.
>
> Thanks,
> jaya

Any progress on this?

Considering that fb_defio is utterly broken without the fix (writing
the frame buffer makes the VM endlessly invoke vm_ops.page_mkwrite()),
wouldn't it make sense to merge the fix even if it still has issues?

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